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# Copyright 2025 the LlamaFactory team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import TYPE_CHECKING
from ...extras.packages import is_gradio_available
from ..common import is_multimodal
from .chatbot import create_chat_box
if is_gradio_available():
import gradio as gr
if TYPE_CHECKING:
from gradio.components import Component
from ..engine import Engine
def create_infer_tab(engine: "Engine") -> dict[str, "Component"]:
input_elems = engine.manager.get_base_elems()
elem_dict = dict()
with gr.Row():
infer_backend = gr.Dropdown(choices=["huggingface", "vllm", "sglang"], value="huggingface")
infer_dtype = gr.Dropdown(choices=["auto", "float16", "bfloat16", "float32"], value="auto")
with gr.Row():
load_btn = gr.Button()
unload_btn = gr.Button()
info_box = gr.Textbox(show_label=False, interactive=False)
input_elems.update({infer_backend, infer_dtype})
elem_dict.update(
dict(
infer_backend=infer_backend,
infer_dtype=infer_dtype,
load_btn=load_btn,
unload_btn=unload_btn,
info_box=info_box,
)
)
chatbot, messages, chat_elems = create_chat_box(engine, visible=False)
elem_dict.update(chat_elems)
load_btn.click(engine.chatter.load_model, input_elems, [info_box]).then(
lambda: gr.Column(visible=engine.chatter.loaded), outputs=[chat_elems["chat_box"]]
)
unload_btn.click(engine.chatter.unload_model, input_elems, [info_box]).then(
lambda: ([], []), outputs=[chatbot, messages]
).then(lambda: gr.Column(visible=engine.chatter.loaded), outputs=[chat_elems["chat_box"]])
engine.manager.get_elem_by_id("top.model_name").change(
lambda model_name: gr.Column(visible=is_multimodal(model_name)),
[engine.manager.get_elem_by_id("top.model_name")],
[chat_elems["mm_box"]],
)
return elem_dict
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